technologies allow natural gas producers to supply affordable, cleaner energy, while protecting our environment. across america, these technologies protect air - by monitoring air quality and reducing emissions... ...protect water - through conservation and self-contained recycling systems... ... and protect land - by reducing our footprint and respecting wildlife. america's natural gas... domestic, abundant, clean energy to power our lives... that's smarter power today. >>> bottom of the hour now. welcome back, everyone. i'm randi kaye. here are a few stories we're watching this morning. new developments in that shooting that killed a u.s. border patrol agent. the fbi now thinks he may have died by friendly fire. 30-year-old nicholas ivie was shot and killed this week in arizona. originally officials said ivie and his colleague, wounded in the incident, came under fire after responding to a sensor that went off, but authorities say the only shell casings found at the scene were those belonging to the agents. >>> ivie is the third border patrol agent killed in the line of duty this year now. >>